Google keeps a history of anyone that you have contacted in the past. Where this becomes an issue for you is if someone has left the company or their information has changed.

  1. You may see old contacts when composing an email
  2. Navigate to Other Google Contacts
  3. Either search for the contact or find the contact in the list of Other Contacts
  4. Select the three dots on the top right corner and select Delete
  5. Alternatively you can select on the Pencil icon to edit the contact.